Cool
Average highs are around 11°C, so pack for cooler days.
December verdict
Tsushima, Japan in December
Weather score29Poor
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 48mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
11°C
Rain
48mm
Sun
4.9h
Sea
18°C
Weather score
29
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 48mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Tsushima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December11°C average high
December is on the cooler side of Tsushima's year, useful if you prefer less intense daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
December48mm average rain
December is one of Tsushima's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.9 hours average sun
December is one of Tsushima's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December18°C average sea
December is below Tsushima's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
December29 weather score
December scores below Tsushima's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.
Hotels near Tsushima, Japan
Marriott
Iki Retreat by Onko Chishin, a Member of Design Hotels™Iki, Nagasaki, Japan
The Ritz-Carlton, FukuokaFukuoka, Japan
Four Points Flex by Sheraton Fukuoka HakataFukuoka, Fukuoka, Japan
Fairfield by Marriott Saga Ureshino OnsenUreshino, Saga, Japan
SOIL Nagatoyumoto, a Member of Design HotelsNagato, Yamaguchi, Japan
Fairfield by Marriott Fukuoka UkihaUkiha, Fukuoka, Japan